In Montgomery County there are 2 residential DSL providers covering 76.28% of the county. The average home can get speeds up to 88 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
This page contains all DSL internet providers in Montgomery County, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Montgomery County, IL please click below.
Montgomery County, IL Availability Maps
DSL Internet Service Providers in Montgomery County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Montgomery County are not shown.
Montgomery County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Where in Montgomery County is DSL internet available?
DSL Internet Availability Key
DSL is available in 76.28% of Montgomery County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Fidium. Call one of the companies with service in Montgomery County above to see who has service at your home.
How fast is DSL internet in Montgomery County?
The map below shows maximum DSL internet speeds by area in Montgomery County.
DSL Internet Speed Key
The average Montgomery County home can get up to 88 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 500 Mbps, which 2.45% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 20.84% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Montgomery County.
DSL internet speeds tend to be faster in the north parts of Montgomery County, and slower in the southeast areas of the county.
Is DSL the fastest internet I can get in Montgomery County?
The fastest internet for you may vary based on where in Montgomery County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 62.36% of Montgomery County homes.
- Cable is fastest for 7.38% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 27.69%.
- Satellite internet may be the only option for 1.68% of Montgomery County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Montgomery County, along with details on where in Montgomery County and at what speeds.
Fidium Fiber DSL in Montgomery County, IL
Fidium DSL coverage
About 69.00%, or 19,519 people, have Fidium DSL internet available to them in the county. The company covers the entire Montgomery County area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in much of Montgomery County.
Fidium Fiber DSL download speeds
Fidium is below average when comparing download speeds to all other internet providers in Montgomery County. Versus other DSL providers in the area, Fidium DSL is the fastest. There are 14 different maximum speeds throughout Montgomery County. The fastest plan anyone in Montgomery County can order from Fidium goes up to 500 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Montgomery County customers is up to 92 Mbps.
Show all download speeds
- 3.6% up to 500.0 Mbps
- 1.2% up to 400.0 Mbps
- 2.2% up to 300.0 Mbps
- 0.7% up to 250.0 Mbps
- 1.9% up to 200.0 Mbps
- 1.3% up to 150.0 Mbps
- 28.9% up to 100.0 Mbps
- 7.0% up to 90.0 Mbps
- 5.2% up to 80.0 Mbps
- 6.1% up to 70.0 Mbps
- 8.5% up to 60.0 Mbps
- 6.8% up to 50.0 Mbps
- 0.7% up to 30.0 Mbps
- 25.9% up to 10.0 Mbps
Fidium Fiber DSL upload speeds
In Montgomery County download speeds tend to be faster than than upload speeds for Fidium DSL. Compared to other ISPs, Fidium is below average where upload speeds are concerned, and the fastest compared to other Montgomery County DSL providers. Fidium offers 8 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Montgomery County is up to 75 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidium customers can get speeds up to 11 Mbps.
Show all upload speeds
- 3.6% up to 75.0 Mbps
- 3.4% up to 70.0 Mbps
- 2.7% up to 40.0 Mbps
- 1.3% up to 30.0 Mbps
- 28.9% up to 10.0 Mbps
- 33.6% up to 5.0 Mbps
- 0.7% up to 3.0 Mbps
- 25.9% up to 1.0 Mbps
Frontier Communications DSL in Montgomery County, IL
Frontier DSL coverage
About 7.47%, or 2,114 people, have Frontier DSL internet available to them in the county. The company covers the southeast, south, southwest, and northeast Montgomery County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Montgomery County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Montgomery County. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout Montgomery County. The fastest plan anyone in Montgomery County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Montgomery County customers is up to 53 Mbps.
Show all download speeds
- 18.0% up to 115.0 Mbps
- 12.4% up to 90.0 Mbps
- 14.6% up to 70.0 Mbps
- 14.6% up to 45.0 Mbps
- 40.3% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Montgomery County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the slowest compared to other Montgomery County DSL providers. Frontier offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Montgomery County is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 3.2 Mbps.
Show all upload speeds
- 18.0% up to 7.0 Mbps
- 12.4% up to 5.0 Mbps
- 29.2% up to 3.0 Mbps
- 40.3% up to 1.0 Mbps
Montgomery County DSL by Area
This information is most helpful to those looking for homes or considering moving to Montgomery County or any of the areas nearby.
How does DSL internet in Montgomery County compare to the rest of Illinois?
DSL internet speeds in Montgomery County are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 88 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Illinois is 0.00% versus 76.28% in Montgomery County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Montgomery County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL internet look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Macoupin County, IL: less DSL coverage, slower speeds
- Jersey County, IL: more DSL coverage, slower speeds
- Effingham County, IL: more DSL coverage, faster speeds
- Calhoun County, IL: less DSL coverage, slower speeds
- Cumberland County, IL: less DSL coverage, slower speeds
- Jasper County, IL: less DSL coverage, slower speeds
- Crawford County, IL: less DSL coverage, slower speeds
- Sullivan County, IN: less DSL coverage, slower speeds
- Audrain County, MO: less DSL coverage, slower speeds
- Greene County, IN: less DSL coverage, slower speeds
Counties with Similar Populations
- Fluvanna County, VA: more DSL coverage, slower speeds
- Geary County, KS: less DSL coverage, slower speeds
- Seminole County, OK: less DSL coverage, slower speeds
- Scott County, IN: less DSL coverage, slower speeds
- Yadkin County, NC: more DSL coverage, slower speeds
- Franklin County, KS: less DSL coverage, slower speeds
- Franklin County, IN: less DSL coverage, slower speeds
- Franklin County, IL: less DSL coverage, slower speeds
- Saline County, IL: less DSL coverage, slower speeds
- Franklin County, AL: less DSL coverage, slower speeds